WorksheetsTriangle Sum Theorem to Find Missing Angles
Total questions: 17
Worksheet time: 1hrs 11mins
Name
Class
Date
1.
Solve for x.
a)
44o
b)
-14o
c)
-7o
d)
63o
2.
Find the measure of the missing angle.
a)
30o
b)
110o
c)
150o
d)
40o
3.
A triangle has one angle that measure 81° and one that measures 37°. What is the measure of the third angle?
a)
62°
b)
76°
c)
118°
d)
99°
4.
Solve for x.
a)
16
b)
11
c)
50
d)
6
5.
Which of the following is NOT an example of supplementary angles?
a)
∠7 and ∠8
b)
∠2 and ∠3
c)
∠1 and ∠7
d)
∠6 and ∠4
6.
Find the measure of the indicated angle.
a)
95
b)
85
c)
35
d)
45
7.
The Triangle Sum Theorem states that the sum of all angles in a triangle is ______.
a)
45°
b)
90°
c)
180°
d)
360°
8.
Find the measure of the missing angle.
a)
90o
b)
100
c)
130o
d)
50o
9.
Solve for x THEN find the degrees for angle A.
a)
44o
b)
96o
c)
-14o
d)
63o
10.
What is the measure of angle b?
a)
36o
b)
56o
c)
63o
d)
117o
11.
Find <S
a)
A
b)
B
c)
C
d)
D
12.
Which of the following angles can you add together to equal angle d?
a)
Angle a and Angle b
b)
Angle b and Angle c
c)
Angle a and Angle c
d)
Angle a and Angle b and Angle c
13.
What is the measure of angle b?
a)
36o
b)
56o
c)
63o
d)
117o
14.
Find x.
a)
x = 118
b)
x = 31
c)
x = 23
d)
x = 62
15.
Find the value of x.
a)
A
b)
B
c)
C
d)
D
16.
What is the measure of angle x?
a)
45
b)
60
c)
65
d)
75
17.
Solve for x.
a)
-12
b)
-8
c)
-10
d)
-5
100 %
